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cplexAPI (version 1.4.0)

getNumColsCPLEX: Access the Number of Columns in the Constraint Matrix

Description

Low level interface function to the IBM ILOG CPLEX function CPXgetnumcols. Consult the IBM ILOG CPLEX documentation for more detailed information.

Usage

getNumColsCPLEX(env, lp)

Arguments

env

An object of class "'>cplexPtr" as returned by openEnvCPLEX. This is basically a pointer to an IBM ILOG CPLEX environment.

lp

An object of class "'>cplexPtr" as returned by initProbCPLEX. This is basically a pointer to an IBM ILOG CPLEX problem object.

Value

If successful the number of variables is returned. If env or lp do not exist, zero is returned.

Details

Interface to the C function getNumCols which calls the CPLEX function CPXgetnumcols.

References

The IBM ILOG CPLEX home page at https://www.ibm.com/support/knowledgecenter/SSSA5P.